1. ‘urban, adj.’ OED Online. Oxford University Press, December 2016, www.oed.com/view/Entry/220386.
2. Adorno, Theodor W. Einleitung in die Musiksoziologie. Suhrkamp, 1962.
3. Altman, Rick. ‘Sound Space.’ Sound Theory, Sound Practice, edited by Rick Altman, Routledge, 1992, pp. 46–64.
4. Arkette, Sophie. ‘Sounds Like City.’ Theory, Culture & Society, vol. 21, no. 1, 2004, pp. 159–68, doi: 10.1177/0263276404040486.
5. Beck, Jay. ‘The Sounds of “Silence”: Dolby Stereo, Sound Design, and The Silence of the Lambs.’ Lowering the Boom, edited by Jay Beck and Tony Grajeda, U of Illinois P, 2008, pp. 68–83.